Figure 5-1 shows a portion of a blank periodic table. identify the segments labeled a and b. question 18 options: a is a group and b is a period. a is a period and b is a group. a and b are both periods. a and b are both groups.

Which statement best describes how private industry decides where to spend the money on research and development

The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.

The total amount of energy contained in an object